Patents
Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125)
03/2014
03/12/2014CN103629832A Solar water heater LIFI (Light Fidelity) communication device and working method
03/12/2014CN103098393B Data transmittance device and data transmittance method
03/12/2014CN102866464B Laser space communication birefringence filtering method based on beam deflector
03/12/2014CN102510307B Optical fiber disturbance system polarization control method and control system based on annealing algorithm
03/12/2014CN102369676B Optical transmitter, photonic detector and passive optical network system
03/12/2014CN102326344B Coherent receiver apparatus and dispersion compensation method
03/12/2014CN102325281B Device and method for processing received signal strength indicator (RSSI) Trigger time sequence of optical module of optical line terminal (OLT) by utilizing programmable logic cell
03/12/2014CN102318305B Method, equipment and system to deal with optical orthogonal frequency division multiplexing (OFDM) signal
03/12/2014CN102301621B Method and apparatus for monitoring optical power
03/12/2014CN102291175B Optical fiber fault detecting system
03/12/2014CN102291174B Method for debugging optical power and extinction ratio of transmitter of optical module in closed loop way
03/12/2014CN102273104B Optical line terminal, method for processing optical signal and optical network system
03/12/2014CN102263589B Signal receiving method, apparatus thereof and optical transceiver
03/12/2014CN102231644B Optical signal to noise ratio detection method and device
03/12/2014CN102215063B Core parameter debugging method of long distance XFP module based on electro-absorption modulated laser (EML)
03/12/2014CN102193151B Optical switch and optical-switch control method
03/12/2014CN102142920B Polarization multiplexing transmitter and transmission system
03/12/2014CN102136867B Method, device and system for detecting branch optical fiber
03/12/2014CN102130738B Method and device for processing signals
03/12/2014CN102104811B Method, equipment and system for reducing energy consumption of optical transceiver in optical network equipment
03/12/2014CN102088314B Optical signal to noise ratio (OSNR) monitoring device and monitoring method
03/12/2014CN102082605B Optical network testing method, deice and system
03/12/2014CN102055529B Optical signal processing method, device and system
03/12/2014CN102055521B Control method and control device for reading-writing optical module information, and optical module
03/12/2014CN102014315B Rapid wavelength stabilization method for optical dense wave division multiplexing
03/12/2014CN102013922B Information processing method as well as optical communication device and system in optical network
03/12/2014CN101998187B 信息通信装置及信息通信方法 Information communication device and information communication method
03/12/2014CN101981832B 光接收器 Optical receiver
03/12/2014CN101854255B Method and system for protecting multiplex section in packet transport network
03/12/2014CN101800914B Key switching method and system
03/12/2014CN101217314B Method realizing optical transmission system performance management optimization
03/12/2014CA2820912A1 Dock for a portable electronic device
03/11/2014US8670680 Optical receiver and optical receiving method
03/11/2014US8670679 Coherent optical receiving apparatus and optical signal processing method
03/11/2014US8670678 Digital coherent receiver and digital coherent reception method
03/11/2014US8670676 Modulator control system and method in an optical network
03/11/2014US8670675 System and method for distortion compensation including configureable delay
03/11/2014US8670674 Optical transmitter and method for controlling the same
03/11/2014US8670673 Method of operating an optical transmission system, optical transmitter, and optical receiver
03/11/2014US8670670 Optical ring network architecture
03/11/2014US8670668 Digitizer for use in an overlay system with digital optical transmitter for digitized narrowcast signals
03/11/2014US8670665 Optical apparatus using polarized orthogonal control
03/11/2014US8670664 System and method for managing the selection of ghost channels for mitigating polarization hole burning
03/11/2014US8670662 Evaluating the position of an optical fiber disturbance
03/11/2014US8670661 Method and system for passive optical network diagnostics
03/11/2014US8670176 Optical amplifying device
03/11/2014US8670042 Blinking-signal detecting device
03/06/2014WO2014035303A1 Device for monitoring an optical fibre
03/06/2014WO2014034165A1 Space division multiplexing apparatus including multi-core fiber and selfhomodyne detection method
03/06/2014WO2014034074A1 Optical transmission circuit and optical transmission method
03/06/2014WO2014034073A1 Excitation light source for optical amplifier and method for controlling excitation light source for optical amplifier
03/06/2014WO2014034047A1 Optical transmitter, and bias voltage control method
03/06/2014WO2014032705A1 Analog phase noise compensation for coherent optical communication
03/06/2014WO2014032694A1 Optical receiver
03/06/2014WO2014032523A1 Quad small form-factor pluggable loopback device for test
03/06/2014WO2014015009A3 Methods for networking consumer devices
03/06/2014US20140064744 Reception device
03/06/2014US20140064743 Optical communication transmitter system
03/06/2014US20140064742 Event synchronization for optical signals
03/06/2014US20140064741 Optical communication device
03/06/2014US20140064740 Vehicle communication system for visible light communication and optical networking and communication method thereof
03/06/2014US20140064739 Light communication system, transmitter and receiver
03/06/2014US20140064735 System and method for provision of appliance control functionality to a smart device
03/06/2014US20140064734 Wdm telecommunications link with coherent detection and optical frequency comb sources
03/06/2014US20140064733 Self-injection laser, wave division multiplexing passive optical network system and optical line terminal
03/06/2014US20140064732 Apparatus and method for receiving optical signal, and optical frequency-division-multiplexing transmission system
03/06/2014US20140064731 Fiber optic terminals, systems, and methods for network service management
03/06/2014US20140064730 Optic distributed antenna system supporting multi-band multi-carrier service over a reduced number of optic core lines
03/06/2014US20140064727 Passive optical networks
03/06/2014US20140064726 System for signals indoor distribution on optical fiber
03/06/2014US20140064725 High Bandwidth Demodulator System And Method
03/06/2014US20140064724 Receiving device and receiving method
03/06/2014US20140064723 Cueing System for Universal Optical Receiver
03/06/2014US20140064721 Single fiber bi-directional optical module, and transport system and method based thereon
03/06/2014US20140064677 Optical network unit transceiver
03/06/2014US20140064345 Signal processing apparatus and method
03/06/2014US20140064304 System and method for distributing optical signals
03/05/2014EP2704364A1 Optical communication method for transmitting an information signal
03/05/2014EP2704338A1 Method and apparatus for suppressing optical beat interference noise
03/05/2014EP2702738A2 Method and apparatus for generation of coherent and frequency-lock optical subcarriers
03/05/2014EP2702708A1 System and method of wireless optical communication
03/05/2014CN203466858U Energy saving type optical fiber telephone
03/05/2014CN203466823U Detector
03/05/2014CN203466821U Tunable optical chaotic signal generating device
03/05/2014CN203466820U Rotary infrared ray instrument
03/05/2014CN203466819U FPGA-based simple coincidence system
03/05/2014CN203466818U Protection system for solving long distance transmission equipment failure or outage
03/05/2014CN203465449U Light emitting assembly
03/05/2014CN103620989A Quadrature time skew detection for coherent optical signals
03/05/2014CN103620988A Individual information in lower and upper optical sidebands
03/05/2014CN103620987A Method of demodulating a phase modulated optical signal
03/05/2014CN103620986A Method for estimating amount of wavelength dispersion, wavelength dispersion compensation circuit, and receiving device
03/05/2014CN103620985A Pon supervisoion using otdr measurements
03/05/2014CN103619079A TD-SCDMA base station applied to cable tunnel
03/05/2014CN103618975A Burst optical signal producing circuit as well as method for producing burst optical signals
03/05/2014CN103618687A Wireless optical orthogonal multi-carrier communication method with low peak to average power ratio
03/05/2014CN103618574A SPDIF optical fiber audio decoding and forwarding circuit
03/05/2014CN103618573A Satellite-borne effective load optical bus system based on wavelength-division multiplexing technology
03/05/2014CN103618572A Time delay dynamic regulation method for tree structure covered with depth signals
03/05/2014CN103618571A Method and system for transmitting information through lighting sources
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